Jawaharlal Nehru Technological University Kakinada 2010-3rd Sem M.C.A Subject Code: MC306 [R06] Regular/Supplementary s, COMPUTER COMMUNICATION - Question Paper

Time: three Hours

Max Marks: 60


ans any 5 ques. All ques. carry EQUAL marks



1. define ISO-OSI 7-layermodel with a neat sketch. discuss the goals and functions of
every layer. [12]


2. discuss different kinds of guided transmission media with neat diagrams.

3. a) discuss the channel allocation issue.
b) What is blue tooth? discuss.

4. a) What is congestion control? explain about any 1 algorithm.
b) What is routing? explain about any 2 routing algorithms.

5. explain about the elements of transport protocol in detail.

6. Write a short notes on
a) World Wide Web
b) DNS
c) Multimedia

7. explain about RSA algorithm with a suitable example.

8. What is Email Security? discuss how PGP offers security to email.

Earning:   Approval pending.